Men standing next to a large alfalfa root in Imperial Valley, ca.1910 

Twenty-horse harvester at work in a wheat[?] field in Ventura County 

Two butterflies on alfalfa specimen in Imperial Valley, ca.1910-1925 

Trees in Imperial Valley after irrigation 

Wild hemp growing in Imperial Valley 

Imperial County whirlwind on desert, ca.1910 

Mesquite tree in Imperial Valley after irrigation, ca.1910-1920 

Hotel Imperial, Imperial County, ca.1910 

Two horse-drawn wagons on the road between the Painted Desert and the San Francisco Mountains, Arizona, ca.1900 

Valley State Bank building on the corner in El Centro, Imperial Valley, ca.1905-1906 

Southern Pacific Railroad Station and horse car in Ventura, ca.1905 

Twenty-horse harvester at work in a field on a Van Nuys-Lankershim ranch, California, ca.1905-1908 

Two men working a horse-drawn harvester in a bean field, [s.d.] 

Thirteen horse-drawn plows on Van Nuys grain ranch, ca.1900 

Sugar beet field with a dense growth of beets in Ventura County, California, ca.1910 

Twenty-horse harvester at work in a field on a farm in Ventura County, California, ca.1900 

Russian thistle (Salsola Kali), or Ink weed, growing in the Colorado Desert, Imperial Valley, California, ca.1910 

Almond orchard in the west end of the Antelope Valley, ca.1895 

Horse-drawn wagon on a road through the Gaviota Pass, Santa Barbara County, California, ca.1900-1940 

Man in horse-drawn wagon driving through the "California" Big Tree in Mariposa Grove in Yosemite National Park, California, ca.1900